/
dao.go
67 lines (60 loc) · 1.81 KB
/
dao.go
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package main
import (
"fmt"
"github.com/abhishekpathak/songster/musicservice"
)
func addToLibrary(s musicservice.LibSong, u musicservice.User) bool {
db := GetDbHandle()
defer db.Close()
_, err := db.Exec("insert into library(userid, username, videoid, track, fav) VALUES ($1, $2, $3, $4, $5)", u.Id, u.Name, s.Videoid, s.Track, s.Fav)
if err != nil {
fmt.Println(err)
return false
}
return true
}
func removeFromLibrary(s musicservice.LibSong, u musicservice.User) bool {
db := GetDbHandle()
defer db.Close()
_, err := db.Exec("delete from library where userid = $1 and videoid = $2", u.Id, s.Videoid)
if err != nil {
fmt.Println(err)
return false
}
return true
}
func songExistsInLibrary(userid string, videoid string) bool {
var size int
db := GetDbHandle()
defer db.Close()
err := db.QueryRow("SELECT count(*) FROM library where userid = $1 and videoid = $2", userid, videoid).Scan(&size)
if err != nil {
fmt.Println(err)
return false
}
if size == 0 {
return false
}
return true
}
func randomSongFromLibrary(userid string) musicservice.LibSong {
libSongObj := musicservice.LibSong{}
db := GetDbHandle()
defer db.Close()
query := fmt.Sprintf("SELECT videoid, track, fav, source FROM library where userid = '%s' and last_played not in(select max(last_played) from library where userid = '%s') order by random() limit 1", userid, userid)
err := db.QueryRow(query).Scan(&libSongObj.Videoid, &libSongObj.Track, &libSongObj.Fav, &libSongObj.Source)
if err != nil {
fmt.Println(err)
}
return libSongObj
}
func updateLastPlayedTimestamp(userid string, videoid string) bool {
db := GetDbHandle()
defer db.Close()
_, err := db.Exec("update library set last_played = current_timestamp where userid = $1 and videoid = $2", userid, videoid)
if err != nil {
fmt.Println(err)
return false
}
return true
}